Cost Calculator Builder vs Responsive Mortgage Calculator
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | Cost Calculator Builder v4.0.19 · checked 23 Oct 2026 Free + paid · ★ 4.5/5 Visit Details | Responsive Mortgage Calculator v2.6.2 · checked 23 Oct 2026 Free · ★ 4.4/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 20,000+ | 7,000+ |
| Last updated | October 6, 2026 | October 24, 2026 |
| Editions | Cost Calculator Builder · Cost Calculator Builder Pro ($) | Responsive Mortgage Calculator |
| Pros | Visual builder with formulas for variable prices; Starter templates and a shortcode to place calculators anywhere; Thank-you page shortcode for completed estimates | Widget and two shortcodes, easy to place on any theme; Currency format, compounding and amortisation settings; Single settings page with no paid upsell in the code |
| Cons | Payments, analytics, conditional logic and repeaters need Pro; Sends weekly usage data to Mixpanel with no opt-out found | Detailed schedule popup sends visitor inputs to mlcalc.com; Fixed-rate loans only, as the readme describes; Readme still mentions a Pro version from 2015 with no current paid edition in code |
| Mentioned in our posts | 1 | 2 |
| More features | ||
| Other features | Visual calculator builder, stm-calc shortcode, Thank-you page shortcode, Starter calculator templates, Pro elements, payments, analytics and orders (Pro) ($) | Estimated payment from price, down payment, rate and term, Sidebar widget, Shortcodes mortgagecalculator and rmc, Amortisation period in months or years, Currency symbol, ISO code and format settings, Interest compounding period setting, Settings page under Settings menu, Detailed schedule popup hosted on mlcalc.com |
| Integrations | ||
| Plugins | Elementor, Polylang | — |
| Other | — | mlcalc.com |
| Requires WordPress | 6.2 | 4.7 |
| Requires PHP | 7.4 | — |
| Tested up to | 7.0 | 7.1 |
| Phones home | Yes | No |
| External services | stylemixthemes.com, api.wordpress.org, api.mixpanel.com, promo-dashboard.stylemixthemes.com | www.mlcalc.com |
| Blocks | 1 | — |
| Shortcodes | 3 | 2 |